71880878

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 24

約数和(自身を含む): 112606200

約数和(自身を除く): 40725322

約数列:

[1, 2, 31, 62, 149, 251, 298, 502, 961, 1922, 4619, 7781, 9238, 15562, 37399, 74798, 143189, 241211, 286378, 482422, 1159369, 2318738, 35940439, 71880878]

約数ペア:

[(1, 71880878), (2, 35940439), (31, 2318738), (62, 1159369), (149, 482422), (251, 286378), (298, 241211), (502, 143189), (961, 74798), (1922, 37399), (4619, 15562), (7781, 9238)]